---
title: "Astral Ascent Adds Clair Obscur: Expedition 33 Crossover and Switch 2 Edition"
url: "https://www.nintendoreporters.com/en/news/nintendo-switch-2/astral-ascent-adds-clair-obscur-expedition-33-crossover-and-switch-2-edition/"
description: "Astral Ascent update adds Clair Obscur: Expedition 33 crossover and free Switch 2 Edition upgrade, with new bosses, summons, rooms and trailer."
author: "Patrick Dankers"
published at: "2026-10-20 12:22:23"
image: "https://www.nintendoreporters.com/storage/files/astral-ascent-adds-clair-obscur-expedition-33-crossover-and-switch-2-edition.jpeg"
markdown url: "https://www.nintendoreporters.com/en/news/nintendo-switch-2/astral-ascent-adds-clair-obscur-expedition-33-crossover-and-switch-2-edition.md"
---

Astral Ascent Adds Clair Obscur: Expedition 33 Crossover and Switch 2 Edition | Nintendo Switch 2 News | NintendoReporters

 [![Astral Ascent Adds Clair Obscur: Expedition 33 Crossover and Switch 2 Edition](https://www.nintendoreporters.com/storage/files/astral-ascent-adds-clair-obscur-expedition-33-crossover-and-switch-2-edition.jpeg "Astral Ascent Adds Clair Obscur: Expedition 33 Crossover and Switch 2 Edition")](https://www.nintendoreporters.com/storage/files/astral-ascent-adds-clair-obscur-expedition-33-crossover-and-switch-2-edition.jpeg)**Summary:**

Astral Ascent’s new free update brings a surprising crossover with Clair Obscur: Expedition 33, adding fresh bosses, themed rooms, six unique summons, extra music and a new menu entry to track unlocks. The update is free for players who have completed the base run on Destiny Level 0 and introduces content that appears randomly before the world-ending boss, forcing a choice between the usual Andromeda Bar and Expedition 33 content for that run. Alongside the crossover, Astral Ascent received a Nintendo Switch 2 Edition upgrade available through the eShop that boosts resolution and frame rate for compatible hardware. Whether you play on Switch or Switch 2, this patch spices up runs with new mechanics and memorable encounters, and it hints at a planned Boss Rush mode coming later in the roadmap.

---

## [](#what-the-expedition-33-update-brings-to-astral-ascent)What the Expedition 33 Update Brings to Astral Ascent

The Expedition 33 update, titled “For Those Who Come After,” grafts characters and locations from Clair Obscur into Astral Ascent with careful design choices that respect both games. You get three exclusive bosses, three new themed rooms, six summonable Expedition members with distinct mechanics, new music tracks and a DLC menu that documents unlocks and requirements. The rooms appear at random before the final world-ending boss, and you must choose between Expedition 33 content or the Andromeda Bar when prompted – if you pass, the option disappears for that run. This isn’t just a visual reskin. Each boss and summon was built with unique combat mechanics, encouraging players to adapt their playstyle rather than rely on old patterns. Fans of both games will spot references, while players new to Clair Obscur will still find fresh mechanics that feel integrated and enticing.

### [](#three-new-bosses-and-how-they-change-the-flow-of-a-run)Three New Bosses and How They Change the Flow of a Run

Golgra, the Mime, and Pétank join Astral Ascent’s roster with bespoke move sets and multi-phase patterns that change pacing and risk assessment. Golgra starts calm with powerful kicks and gestral helpers, but when her second phase hits the fight shifts dramatically – small openings close and timing grows stricter. The Mime uses environmental attacks like brick walls and hammers and forces players to manage two simultaneous threats that can revive one another if not handled in tandem. Pétank opens fights by evading, then fills the arena with projectiles, clones and explosive attacks that punish reckless positioning. These encounters force you to think about target prioritization, movement and when to spend resources. Expect runs where builds that breezed through the original bosses must be reworked to survive these new, cleverly designed threats.

### [](#new-expedition-rooms-lumiere-gestral-village-and-the-campfire)New Expedition Rooms – Lumiere, Gestral Village, and the Campfire

The three Expedition rooms are more than backgrounds – each one frames a unique encounter and atmosphere. Lumiere drops you into a confrontation with Pétank and the Mimes while a luminous cityscape plays out behind you, blending spectacle with harm. The Gestral Village is Golgra’s backyard, loud and chaotic, where the crowd’s mood matters and can change how fights feel. The Campfire is the most practical addition, serving as a rest point where you get to choose one of the Expedition summons and learn how that ally will alter the run. These rooms appear at random before the final boss, so you may only see them once per run – that makes the decision when offered feel heavy, in the best roguelite tradition. The rooms reward exploration, lure players to experiment, and add a layer of variety to endgame runs.

#### [](#around-the-campfire-summons-that-reshape-a-run)Around the Campfire – Summons That Reshape a Run

Sitting by the Campfire gives you access to one of six Expedition allies, and each summon brings a mini-system that can swing a run. Gustave is a hybrid support that heals and buffs while charging a huge finisher with repeated summons. Maelle uses a stance system tied to your HP that shifts between offense and defense and can culminate in a major stance attack if you maintain it. Sciel plays like a card battler, drawing Moon for mana, Sun for direct strikes and Twilight for heavy hits. Lune mirrors your elemental choices, growing into a powerful spell when summoned enough. Verso builds rank as you hit enemies and drops rank when you take damage – ride it high and you get huge payoff. Monoco draws random cards to summon monsters, adding chaotic but potent options. You only get one Expedition ally per run, so that choice can define how you approach rooms and bosses for the remainder of that run.

## [](#how-to-unlock-and-where-to-find-the-new-content)How to Unlock and Where to Find the New Content

The Expedition 33 content is free and only requires the base game to be beaten on the default difficulty – Destiny Level 0 – to unlock it permanently. After that, the rooms and summons can appear randomly in subsequent runs, but the game will present a one-time choice between Andromeda Bar content and Expedition 33 content during the run where the room spawns. If you skip the Expedition content when given the choice, it will not return for that run, so players who want to sample the crossover should take the offer when it appears. The update also adds a new downloadable content and additional content menu where you can track what you’ve unlocked and see the conditions, so you never lose sight of what’s left to earn. This helps completionists and casual players alike know where to focus efforts and avoids confusion about whether something is missable forever.

## [](#nintendo-switch-and-switch-2-edition-what-changes-on-nintendo-hardware)Nintendo Switch and Switch 2 Edition – What Changes on Nintendo Hardware

Alongside the free crossover update, Astral Ascent launched an official Nintendo Switch 2 Edition upgrade pack on October 8, 2026, which upgrades the Switch version for players who own the game. The Switch 2 Edition brings enhanced resolution and improved frame rates on compatible hardware, making fights look crisper and feel smoother, especially during hectic boss encounters. The Nintendo listing also shows file-size differences and platform details, and it confirms the upgrade pack is available through the eShop. If you keep most of your playtime on Nintendo platforms, this upgrade is a neat way to improve performance without buying a separate release. For details and to grab the upgrade, check the Nintendo Switch 2 page on our site: [Nintendo Switch 2](https://www.nintendoreporters.com/en/nintendo-switch-2/).

## [](#practical-tips-for-surviving-the-new-bosses-and-rooms)Practical Tips for Surviving the New Bosses and Rooms

Facing the Expedition bosses rewards patience, target discipline and a willingness to adapt builds mid-run. With Golgra, avoid tunnel vision – watch for her phase triggers and use spacing to limit gestral interference. Against the Mime, split focus between both parts of the enemy and keep movement fluid; stun locks and area spells help prevent revivals. Pétank punishes static play – dodge projectiles and prioritize positioning so clones and explosions can be managed. Choose the Campfire summon that complements your current build rather than forcing a mismatch; Gustave pairs well with aggressive melee builds, while Sciel and Lune can favor spell-heavy runs. Finally, keep an eye on your reroll resources and signature spell choices – the update shifted design space so that some previously optimal combos need revisiting to work against these encounters.

#### [](#example-strategies-for-each-expedition-ally)Example Strategies for Each Expedition Ally

Gustave is great when you want sustain plus burst – summon him regularly to stack his finisher and use it at a critical wave or boss phase. Maelle rewards HP management and stance consistency – if you can keep a stance long enough she gives a reliable payoff, so lean into builds that trade short-term defense for bigger attacks. Sciel benefits mana-management builds because Moon draws regenerate mana – pair with efficient signature spells and card synergies. Lune mirrors your elemental usage, so commit to one affinity to maximize her final spell. Verso is high-risk high-reward; avoid getting hit to keep rank high, and use hit-and-run tactics to preserve it. Monoco is chaotic but can deliver monster summons that soak damage and disrupt bosses. Experimentation is the fun part – the update encourages it.

##### [](#conclusion)Conclusion

Astral Ascent’s Expedition 33 crossover and the Switch 2 Edition upgrade are a tidy one-two punch: the crossover gives the roguelite fresh encounters and memorable summons that change how runs play out, and the Switch 2 Edition improves technical performance on newer Nintendo hardware. The free update unlocks after beating the base game and adds new rooms, bosses, and a summon system that rewards thoughtful choices. If you’re on Switch, consider the Switch 2 upgrade pack for a smoother experience; if you’re chasing new ways to play, the Expedition 33 summons and rooms are worth hunting down. We’ll be keeping an eye out for that promised Boss Rush mode, because with this many fascinating bosses, a mode built around them feels like a natural next step for players who love testing builds and reflexes.

##### [](#faqs)FAQs

- **Is the Expedition 33 update free?**
    - Yes – the crossover update is free but it unlocks after you beat the game on Destiny Level 0.
- **Do I need a Switch 2 to get the Switch 2 Edition?**
    - No – the Switch 2 Edition is an upgrade pack for the Switch 2 system that improves resolution and frame rate; the base Switch version remains playable on original hardware.
- **How often do the Expedition rooms show up?**
    - They appear randomly before the final boss in a run, and each run only gives one opportunity – choose the Expedition option when prompted if you want to experience it for that run.
- **Which Expedition ally should I pick at the Campfire?**
    - Pick the ally that best complements your build – Gustave for sustain and burst, Maelle for stance-focused builds, Sciel and Lune for spell-oriented runs, Verso for rank-based high-risk play, and Monoco for unpredictable summons.
- **Will the update affect my unlocked progress or saves?**
    - The update adds a DLC and additional content menu so you can track unlocks; the Expedition content unlocks once you beat Destiny Level 0 and should not invalidate existing save progress.

##### [](#sources)Sources

- [Astral Ascent x Clair Obscur: Expedition 33 collaboration update ‘For Those Who Come After’ now available](https://www.gematsu.com/2026/10/astral-ascent-x-clair-obscur-expedition-33-collaboration-update-for-those-who-come-after-now-available), Gematsu, October 8, 2026
- [Astral Ascent – Nintendo Switch 2 Edition Upgrade Pack](https://www.nintendo.com/us/store/products/astral-ascent-nintendo-switch-2-edition-upgrade-pack-switch-2/), Nintendo, October 8, 2026
- [Expedition 33 has landed in the prison!](https://steamdb.info/patchnotes/25786221/), SteamDB, October 8, 2026
- [Rare Clair Obscur Expedition 33 crossover sees the RPG’s best characters come to Astral Ascent](https://www.gamesradar.com/games/roguelike/rare-clair-obscur-expedition-33-crossover-sees-the-rpgs-best-characters-come-to-steam-hit-roguelike-astral-ascent-weve-wanted-to-do-this-for-a-long-time/), GamesRadar+, October 8, 2026

   [](#)

 [  ](#)

> Generated for use by AI and Large Language Models (LLMs).
> Generated: 2026-10-20 15:01:19
> Maintained by: NintendoReporters
> Source: https://www.nintendoreporters.com/
> Contact: webmaster@nintendoreporters.com